OEModule\OphCiExamination\components\OphCiExamination_API::getLetterVisualAcuityLeft PHP Method

    public function getLetterVisualAcuityLeft($patient)
    {
        if ($episode = $patient->getEpisodeForCurrentSubspecialty()) {
            return ($best = $this->getBestVisualAcuity($patient, $episode, 'left')) ? $best->convertTo($best->value, $this->getSnellenUnitId()) : null;
        }
    }